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... ( Circus , Lacép . ) . Błotniak zbożowy , Tyz . ( Circus cyaneus , Linn . ) . Falco mixtus ( bez nazwy pol . ) Rzącz ... pygargus ( Błotniak zbożowy ) Wodz . Circus cyaneus ( Błotniak zbożowy ) Dzied . Strigiceps cyaneus ( Błotniak zbożowy ) ...
... Circus pygargus L. in der Hellwegbörde. Diploma thesis, Westfälische-Wilhelms-University of Münster. Hölker M (1994 ... Circus pygargus and Marsh harrier Circus aeruginosus against foxes Vulpes vulpes and avian intruders during the post ...
... Circus gallinarius , Sav . Falco strigiceps , Nils . Pygargus dispar , Koch . Circus pygargus , Cuv . Strigiceps pygargus , Pr . Bonap . Circus ( Strigiceps ) cyaneus , Pr . Bonap . Falco hudsonius , Linn . Circus hudsonius , Vieill ...
... Circus gallinarius , Sav . Falco strigiceps , Nils . Pygargus dispar , Koch . Circus pygargus , Cuv . Strigiceps pygargus , Pr . Bonap . Circus ( Strigiceps ) cyaneus , Pr . Bonap . Falco hudsonius , Linn . Circus hudsonius , Vieill ...
... Circus gallinarius , Sav . Falco strigiceps , Nils . Pygargus dispar , Koch . Circus pygargus , Cuv . Strigiceps pygargus , Pr . Bonap . Circus ( Strigiceps ) cyaneus , Pr . Bonap . Falco hudsonius , Linn . Circus hudsonius , Vieill ...
... Circus gallinarius , Sav . Falco strigiceps , Nils . Pygargus dispar , Koch . Circus pygargus , Cuv . Strigiceps pygargus , Pr . Bonap . Circus ( Strigiceps ) cyaneus , Pr . Bonap . Falco hudsonius , Linn . Circus hudsonius , Vieill ...
... Circus pygargus, dark morph, juvenile male (same as 467), autumn migrant. All dark, but faint barring visible on underwing and tail. Spain, 9.9.2004 (DF) 471. Montagu's Harrier Circus pygargus, dark morph, 2nd cy transitional. 264 Circus.
... found in arable farmland , heaths and young conifer plantations . The small population in England is currently confined 104 Raptors : a field guide to survey and monitoring Montagu's harrier Montagu's harrier Circus pygargus.
... Circus pygargus in central Spain . Unpublished D.Phil . thesis , University of Oxford . Arroyo , B. ( 1996a ) . Reproductive success of Montagu's Harrier ( Circus pygargus ) and Hen Harrier ( Circus cyaneus ) in an agricultural habitat ...